One of Europe's great icons, the Leaning Tower of Pisa is the bell tower of Pisa Cathedral. Although most famous for its astonishing lean, the tower is also notable for its magnificent Romanesque architecture.

Close-up view of arcades and visitors on the Leaning Tower of Pisa, built 1173-1350 in the Romanesque style. Made of gleaming white and pastel marble, the campanile has a diameter of 52 feet (16 m) at the base and would stand 185 feet (56 metres) high if it were straight...
Credit: David Joyal.
Exterior detail at the base of the Leaning Tower of Pisa, built 1173-1350 in the Romanesque style. Made of gleaming white and pastel marble, the campanile has a diameter of 52 feet (16 m) at the base and would stand 185 feet (56 metres) high if it were straight...
Credit: Holly Hayes.
Top of the Leaning Tower of Pisa, built 1173-1350 in the Romanesque style. Made of gleaming white and pastel marble, the campanile has a diameter of 52 feet (16 m) at the base and would stand 185 feet (56 metres) high if it were straight...
Credit: Holly Hayes.
Top of the Leaning Tower of Pisa, built 1173-1350 in the Romanesque style. Made of gleaming white and pastel marble, the campanile has a diameter of 52 feet (16 m) at the base and would stand 185 feet (56 metres) high if it were straight...
Credit: Holly Hayes.
Detail of the Leaning Tower of Pisa, built 1173-1350 in the Romanesque style. Made of gleaming white and pastel marble, the campanile has a diameter of 52 feet (16 m) at the base and would stand 185 feet (56 metres) high if it were straight...
Credit: Holly Hayes.
Leaning Tower of Pisa, built 1173-1350 in the Romanesque style, next to Pisa Cathedral. Made of gleaming white and pastel marble, the campanile has a diameter of 52 feet (16 m) at the base and would stand 185 feet (56 metres) high if it were straight...
Credit: David Joyal.
Detail of the Leaning Tower of Pisa, built 1173-1350 in the Romanesque style. Made of gleaming white and pastel marble, the campanile has a diameter of 52 feet (16 m) at the base and would stand 185 feet (56 metres) high if it were straight...
Credit: Holly Hayes.